2119722732 has 36 divisors (see below), whose sum is σ = 5361075720. Its totient is φ = 706193472.

The previous prime is 2119722629. The next prime is 2119722779. The reversal of 2119722732 is 2372279112.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56368 + ... + 86120.

It is an arithmetic number, because the mean of its divisors is an integer number (148918770).

Almost surely, 2^2119722732 is an apocalyptic number.

It is an amenable number.

2119722732 is an abundant number, since it is smaller than the sum of its proper divisors (3241352988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2119722732 is a wasteful number, since it uses less digits than its factorization.

2119722732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31742 (or 31737 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 2119722732 is about 46040.4466963560. The cubic root of 2119722732 is about 1284.5756509861.

The spelling of 2119722732 in words is "two billion, one hundred nineteen million, seven hundred twenty-two thousand, seven hundred thirty-two".